P44452-001 HPE LAN Twisted Pair25 Gigabit Ethernet 25GBASE-SR Optical Data Networking

HPE P44452-001 25GBASE-SR Data Networking

The HPE P44452-001 is a high-speed plug-in module designed for optical data networking. This advanced component delivers reliable connectivity with 25 Gigabit Ethernet technology, ensuring efficient performance for enterprise-level infrastructures.

Main Information

Manufacturer Details

• Manufacturer: Hewlett Packard Enterprise
• Part Number: P44452-001

Media & Performance

Networking Technology

This module utilizes 25GBASE-SR technology, enabling high-bandwidth data transfer and seamless communication across enterprise networks.

Supported Media

• Twisted Pair cabling for stable and secure connections
• Enhanced compatibility with modern data center environments

Interfaces & Ports

Port Specifications

• Interface: 1 x 25GBASE-SR Network LAN
• Total Ports: 1

Enterprise Optical Networking Module Overview

The HPE P44452-001 Network LAN Twisted Pair 25 Gigabit Ethernet 25GBASE-SR Plug-in Module belongs to an advanced optical data networking category focused on delivering high-bandwidth, low-latency connectivity for modern enterprise, cloud, and data center infrastructures. This category encompasses modular transceivers and plug-in network interface components designed to support next-generation Ethernet standards, particularly 25 Gigabit Ethernet, which has emerged as a critical building block for scalable network architectures. These modules are engineered to integrate seamlessly into compatible HPE networking hardware, providing consistent performance, interoperability, and long-term operational stability.

Optical networking modules within this category are specifically designed to meet the increasing demands of east-west traffic, virtualization, containerized workloads, and distributed computing environments. As organizations transition from legacy 10GbE networks to higher-speed fabrics, 25GbE plug-in modules offer an optimal balance between performance, cost efficiency, and power consumption. This category supports dense port configurations while maintaining signal integrity and reliability across short-range optical links.

25 Gigabit Ethernet in Enterprise Networks Evolution

The 25 Gigabit Ethernet category represents a significant evolutionary step in Ethernet technology, building upon the foundation established by 10GbE while addressing its scalability limitations. By delivering 2.5 times the bandwidth of 10GbE using a single lane, 25GbE modules reduce complexity at both the physical and logical layers of the network. This efficiency allows network architects to design streamlined topologies with fewer cables, reduced switch port requirements, and simplified management.

In enterprise and data center environments, 25GbE has become a preferred choice for server-to-switch connectivity, particularly in top-of-rack and leaf-spine architectures. The HPE P44452-001 module exemplifies this category by supporting the 25GBASE-SR standard, which is optimized for short-range optical transmission over multimode fiber. This makes it ideal for intra-data center links where high throughput and low latency are paramount.

25GBASE-SR Optical Transmission Characteristics

The 25GBASE-SR standard defines short-reach optical Ethernet transmission over multimode fiber, typically supporting distances up to 70 meters on OM3 fiber and up to 100 meters on OM4 fiber. Modules in this category are designed to operate within these parameters while maintaining signal clarity and minimizing bit error rates. The use of optical signaling ensures immunity to electromagnetic interference, which is critical in dense data center environments filled with high-power electrical equipment.

Optical networking modules supporting 25GBASE-SR leverage vertical-cavity surface-emitting laser technology to achieve efficient light emission and precise modulation. This approach enables reliable high-speed data transfer while maintaining relatively low power consumption compared to earlier multi-lane Ethernet solutions.

Modular Plug-in Design and Hardware Integration

The plug-in module category emphasizes modularity and ease of deployment. The HPE P44452-001 is designed to be hot-pluggable, allowing installation or replacement without requiring system downtime. This capability is essential in enterprise environments where continuous availability is a core operational requirement. Modular design also enables flexible network scaling, allowing organizations to add or upgrade network capacity incrementally as demand grows.

Compatibility with HPE networking platforms ensures that modules in this category integrate seamlessly with supported switches, adapters, and network interface cards. This tight integration simplifies configuration, enhances performance optimization, and ensures consistent behavior across the network fabric. The plug-in form factor adheres to industry-standard specifications, enabling precise alignment with host ports and secure electrical and optical connections.

Electrical and Optical Interface Architecture

Within this category, the electrical interface between the plug-in module and the host device is engineered for high-speed signal transmission with minimal loss. Advanced connector designs and signal conditioning techniques ensure that data integrity is preserved as signals transition from the host system to the optical domain. This precise engineering is critical for maintaining reliable 25GbE performance under sustained load.

The optical interface supports standardized multimode fiber connectors, ensuring compatibility with existing fiber infrastructure. This allows organizations to upgrade network speeds without undertaking extensive recabling projects, reducing both deployment time and overall cost.

Thermal Management and Power Efficiency

High-speed optical modules generate heat during operation, making thermal management a key consideration within this category. The HPE P44452-001 and similar modules are designed with optimized thermal profiles to ensure stable operation within specified temperature ranges. Efficient heat dissipation supports consistent performance and extends the operational lifespan of the module.

Power efficiency is another defining characteristic of the 25GbE optical module category. By utilizing single-lane transmission and advanced laser technology, these modules consume less power per gigabit transferred compared to legacy multi-lane solutions. This efficiency contributes to reduced operational costs and supports energy-conscious data center designs.

Network Performance, Latency, and Throughput Optimization

The primary function of the 25 Gigabit Ethernet optical module category is to deliver high-throughput network connectivity with minimal latency. The HPE P44452-001 module supports line-rate data transfer, ensuring that network links operate at their full theoretical capacity under optimal conditions. This performance is essential for applications that rely on rapid data exchange, such as real-time analytics, distributed databases, and high-performance computing clusters.

Low latency is a critical metric in modern networks, particularly for workloads that involve frequent inter-node communication. Optical transmission minimizes signal propagation delays and reduces the likelihood of retransmissions caused by interference or signal degradation. As a result, networks built with 25GbE optical modules can achieve predictable and consistent performance.

Virtualize and Cloud-Native Workloads

Virtualization and cloud-native architectures place significant demands on network infrastructure. The 25GbE module category is well-suited to these environments, providing sufficient bandwidth to support multiple virtual machines or containers sharing a single physical link. This capability enhances resource utilization and supports higher consolidation ratios without compromising application performance.

In software-defined networking environments, high-speed optical modules enable rapid data movement between compute, storage, and network resources. This flexibility supports dynamic workload placement and efficient scaling, which are key characteristics of modern cloud platforms.

Quality of Service and Traffic Management

Modules in this category operate in conjunction with host networking hardware to support advanced traffic management features. Quality of service mechanisms ensure that latency-sensitive traffic receives appropriate priority, while high-throughput links accommodate bulk data transfers. This balance is essential for mixed-workload environments where diverse applications coexist on the same network fabric.

Consistent performance under varying traffic conditions enhances overall network reliability and user experience, making 25GbE optical modules a foundational component of enterprise-grade networking solutions.

Reliability, Standards Compliance, and Interoperability

Reliability is a defining attribute of the optical networking module category. The HPE P44452-001 is manufactured and validated to meet stringent enterprise standards, ensuring dependable operation in demanding environments. Compliance with IEEE Ethernet standards and industry specifications guarantees interoperability with compatible networking equipment and fiber infrastructure.

Standardized design and rigorous testing minimize the risk of compatibility issues during deployment. This reliability is particularly important in large-scale networks where component failures can have widespread impact.